Answer:
1. 144 2. 21
Step-by-step explanation:
1. 12(9 + 3)
Distributive Property is at its finest here. You'll have to multiply 12 with both numbers in the Parthentheses.
1. 12 × 9 = 144
2. 12 × 3 = 36
2. 9 + 12
1. Count up 1 9 times starting at 12 or the opposite.